NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into one dazzling mosaic. Half a year after first opening its eyes to the cosmos, NASA 's SPHEREx spacecraft has unveiled its first complete, all-sky mosaic of the universe.

NASA has postponed a spacewalk at the International Space Station after a crew member experienced a medical concern.

Two Nasa astronauts are set to conduct the first spacewalk of 2026. Discover the timings, streaming options, and behind-the-scenes prep that make this orbital adventure unmissable.

Astronomers have revealed a new type of cosmic object called Cloud-9 — a dim, starless gas cloud anchored by a massive dark matter halo that may be the first-confirmed failed galaxy.

The fight over NASA science funding has swung from existential alarm to cautious optimism in a matter of months. What once looked like a near-death experience for some of the agency’s most important missions now appears more like a close call,